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DBMS > AlaSQL vs. Cassandra vs. IBM Cloudant vs. RethinkDB

System Properties Comparison AlaSQL vs. Cassandra vs. IBM Cloudant vs. RethinkDB

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonCassandra  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonRethinkDB  Xexclude from comparison
DescriptionJavaScript DBMS libraryWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessDatabase as a Service offering based on Apache CouchDBDBMS for the Web with a mechanism to push updated query results to applications in realtime.
Primary database modelDocument store
Relational DBMS
Wide column storeDocument storeDocument store
Secondary database modelsVector DBMS infostarting with release V5Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.46
Rank#260  Overall
#40  Document stores
#121  Relational DBMS
Score101.89
Rank#12  Overall
#1  Wide column stores
Score2.68
Rank#106  Overall
#20  Document stores
Score2.74
Rank#105  Overall
#19  Document stores
Websitealasql.orgcassandra.apache.orgwww.ibm.com/­products/­cloudantrethinkdb.com
Technical documentationgithub.com/­AlaSQL/­alasqlcassandra.apache.org/­doc/­latestcloud.ibm.com/­docs/­Cloudantrethinkdb.com/­docs
DeveloperAndrey Gershun & Mathias R. WulffApache Software Foundation infoApache top level project, originally developped by FacebookIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014The Linux Foundation infosince July 2017
Initial release2014200820102009
Current release4.1.3, July 20232.4.1, August 2020
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infoApache version 2commercialOpen Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Astra DB: Multi-cloud DBaaS built on Apache Cassandra.
Implementation languageJavaScriptJavaErlangC++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)BSD
Linux
OS X
Windows
hostedLinux
OS X
Windows
Data schemeschema-freeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or datenoyesnoyes infostring, binary, float, bool, date, geometry
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nononono
Secondary indexesnorestricted infoonly equality queries, not always the best performing solutionyesyes
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.SQL-like SELECT, DML and DDL statements (CQL)nono
APIs and other access methodsJavaScript APIProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
RESTful HTTP/JSON API
Supported programming languagesJavaScriptC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
C#
Java
JavaScript
Objective-C
PHP
Ruby
C infocommunity-supported driver
C# infocommunity-supported driver
C++ infocommunity-supported driver
Clojure infocommunity-supported driver
Dart infocommunity-supported driver
Erlang infocommunity-supported driver
Go infocommunity-supported driver
Haskell infocommunity-supported driver
Java infoofficial driver
JavaScript (Node.js) infoofficial driver
Lisp infocommunity-supported driver
Lua infocommunity-supported driver
Objective-C infocommunity-supported driver
Perl infocommunity-supported driver
PHP infocommunity-supported driver
Python infoofficial driver
Ruby infoofficial driver
Scala infocommunity-supported driver
Server-side scripts infoStored proceduresnonoView functions (Map-Reduce) in JavaScript
TriggersyesyesyesClient-side triggers through changefeeds
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infono "single point of failure"ShardingSharding inforange based
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor infoRepresentation of geographical distribution of servers is possibleMulti-source replication
Source-replica replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesyesyes
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Eventual ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageno infoAtomicity and isolation are supported for single operationsno infoatomic operations within a document possibleAtomic single-document operations
Concurrency infoSupport for concurrent manipulation of datayesyes infoOptimistic lockingyes infoMVCC based
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnonono
User concepts infoAccess controlnoAccess rights for users can be defined per objectAccess rights for users can be defined per databaseyes infousers and table-level permissions
More information provided by the system vendor
AlaSQLCassandraIBM CloudantRethinkDB
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
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Market metricsCassandra is used by 40% of the Fortune 100.
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
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